Shrewsbury have snapped up Manchester United winger Michael Barnes on-loan.
Barnes, who has one first-team appearance to his name, has played 14 times for the Reserves this season.
Simpson added: "He's a wide player who can play left or right, although he tends to play on the left but he is predominantly right footed. I'd like to see him play down the middle as well as he has got the pace to be able to cause problems.
"He's an exciting player and has great pace, which I think we are lacking a little bit."